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MSI 6119 doesn't post

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First post, by Joakim

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So the other day I took out a hard drive from my MSI ms6119 (non pnp) 440bx. After a few hours I was to power it on and I heard some fan noise for a few seconds then it was silent and the computer did not boot at all.

The PSU is modern, and its fine, I tried it outside and on an other board as well. I tried an other PSU and get the same result with the motherboard.

I pulled out the motherboard from the case and there is visually nothing wrong with it. I disconnected everything from the board and If I let the PSU rest for a while, and connect it, the PSU and the CPU fan spins for half a second before turning itself off. It does this without me pressing the power button, so something seems strange. I tested some rails and to my limited knowledge it seems like the 5v rail has a short. I have read that tantalum caps can fail short but the board has none of those.

I'm not a wizard with these things but I wonder if there is something obvious I have missed.

Reply 1 of 4, by Errius

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I also have a dead 6119. I think the previous owner killed it with overclocking or similar abuse. How would you go about repairing such damage?

"This all reminds me when i took the windows vista sticker thingy off my old laptop, and on my washing machine as a joke. A few days later said washing machine stopped working. I still think this cannot be a coincidence."

Reply 3 of 4, by Joakim

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Hmm. Ok sounds kind of similar. Idk but maybe it is my MOSFETs but I'm not sure how to test them.

Reply 4 of 4, by tauro

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Joakim wrote on 2022-04-15, 15:26:

Hmm. Ok sounds kind of similar. Idk but maybe it is my MOSFETs but I'm not sure how to test them.

I have a couple of old motherboards (different models) that don't post and I think it is probably related to the MOSFETs, which I also don't know how to test, so it would be really cool if somebody shared a detailed guide. I recapped some of them to no avail.

I remember doing excessive testings overclocking K6-2s, and now I'm sorry I did it (it makes so much more sense to just go with a Socket370/Slot1 system)